| 摘要 |
A calibration method and device are described, notably for a component-placement machine for placing components (30) on a carrier (3), which machine comprises carrier-positioning means (50) and component-positioning means (26, 27, 11; 40). The positions of components placed on a calibration carrier (60, 65) during a calibration procedure is detected by means of a calibration carrier detection device (50) which is present in the machine itself. For obtaining a satisfactory contrast between the components (30) and the calibration carrier surface, the latter may be provided with a reflecting and adhesive foil (65, 66). In a machine provided with a production carrier detection device, this device may be used as a calibration carrier detection device. FIG. 3.
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